Main.java Source code

Introduction

Here is the source code for Main.java

Source

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Attr;
import org.w3c.dom.CharacterData;
import org.w3c.dom.Comment;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;

public class Main {
    public static void main(String[] argv) throws Exception {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder loader = factory.newDocumentBuilder();
        Document document = loader.parse("sample.xml");
        Element purchaseOrder = document.getDocumentElement();
        printElement(purchaseOrder, "");
    }

    static void printElement(Element element, String indent) {
        System.out.println("Element '" + element.getNodeName() + "'");
        NodeList children = element.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            switch (child.getNodeType()) {
            case Node.ELEMENT_NODE:
                printElement((Element) child, indent + "\t");
                break;
            case Node.ATTRIBUTE_NODE:
                Attr attr = (Attr) child;
                System.out.println("\tAttribute: '" + attr.getName() + "' = '" + attr.getValue() + "'");
                break;
            case Node.COMMENT_NODE:
                Comment comment = (Comment) child;
                System.out.println("\tComment: '" + comment.getData() + "'");
                break;
            case Node.CDATA_SECTION_NODE:
                CharacterData cdata = (CharacterData) child;
                System.out.println("\tCDatat: '" + cdata.getData() + "'");
                break;
            case Node.TEXT_NODE:
                Text text = (Text) child;
                System.out.println("\tText: '" + text.getData() + "'");
                break;
            default:
                System.out.println("\tUnknown node type: '" + child.getNodeType() + "'");
                break;
            }
        }
    }
}